London -
Pop music is around 50 years old. in that time tastes have changed and the style of music has altered. One group of academics have put forward that the evolution of pop music can be traced to three pivotal moments.

A mysterious Russian rock has been discovered containing 30,000 tiny diamonds. The rock itself may actually be worth a minimal amount, but its strange form adds to the mystery of how diamonds are actually created.

The Heavy's embrace of sonic variety may help explain the wide generational appeal of its fanbase. Page (far right) says he’s been “struck by how diverse the age range is” at various shows. “There are kids as well as people in their 60s! It’s such a variety. Initially you’re thinking, “Why isn’t it full of young girls?!” -but we’re attracting more people. It’s a broader appeal, so hopefully that means a greater lifespan (for the band) as well.”

Andrew de Francesco

Large rock at Mountsorrel.

Terry Roberts - Geograph.org.uk

Rock and Roll of Fame Museum in Cleveland, Ohio.

Wikimedia Commons

Rock star Bertrand Cantat

Screengrab

AC/DC circa 190.

The official AC/DC ite. Images for editorial use.

Acoustic pop-rock band Boyce Avenue

Shervin Lainez

Promotional photo provided by Dave Crimmen for press use (2008)

Dave Crimmen

Melanie on Drum Kit

Amanda Vontobel

Stone Temple Pilots w/ Chester Bennington of Linkin Park performing at The Paramount in Huntington, NY on September 10th, 2013.